OBD Guide
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P03F8

B Camshaft Position Actuator Position Sensor C Circuit Low Bank 1

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Reduced engine power
  • Unstable idle
  • Increased fuel consumption
  • Check engine light comes on

Causes

  • Open or short circuit in the sensor wiring harness
  • Actuator position sensor malfunction
  • Poor contact in the sensor connector
  • Malfunction of the VVT actuator itself
  • Problems with the engine ECU

How to Fix

  1. Visually inspect the wiring harness and connectors for damage
  2. Checking the resistance and voltage in the sensor circuit
  3. Checking the operation of the VVT actuator
  4. If necessary, replace the position sensor
  5. Resetting the error and re-diagnosis

Related codes

P0010P0013P0340P0345

Error P03F8 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye
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